/Engine/Source/Runtime/Slate/Public/Widgets/Input/STextComboBox.h
Called to create a widget for each string
[TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > MakeItemWidget ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FString](API\Runtime\Core\Containers\FString) > StringItem )